A Collection of Quant Riddles
[ http://puzzles.nigelcoldwell.co.uk/ ]
Offers a selection of riddles both logical and lateral with the answers.
[ http://www.findtheword.info/ ]
Searches for partial words (both crossword solver and part of word), anagrams, palindromes, words in word, and more.
[ http://www.blackgames.net/jigsaw.htm ]
Standard shape jigsaws. Is a shareware program designed for windows and can also support .BMP files.
[ http://www.dreamcode.com/ ]
Jigsaws that use between 400 and 900 different pieces. Can be based on images that the user submits. Includes a trial feature.
Lovatts Publishing Group
[ http://www.lovatts.com.au/ ]
Australia and New Zealand's leading crossword and puzzle company.
[ http://www.onlyriddles.com/ ]
Large database of riddles that can be searched. Has an RSS feed for updates and users can submit suggestions.